Additional clarification is necessary to understand the standardized nomenclature used to describe the functions of a system. The following chart, adapted from the EHR-S FM How to Guide for Creating Functional Profiles, illustrates the hierarchy of nomenclature. For example, capture is used to describe a function that includes both direct entry create and indirect entry through another device input. Similarly, maintain is used to describe a function that entails reading, updating, or removal of data.
| Input Device
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